<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    let a6 = 5 % 3;
    let a7 = 3 % 5;
    let a8 = 5 + '3';
    let a9 = '5' + 3;
    let a10 = 75 +'кг';
    console.log([a6, a7, a8, a9, a10]);
</script>
</body>
</html>